Cisco Systems 12410, 12010, 12810 manual Processor, LED Display1 Meaning Source

Chapter 4 System Startup and Basic System Configuration

Powering On the Router and Observing the Boot Process

Step 4 Observe the RP alphanumeric LED displays during the RP boot process (Figure 4-1).

Figure 4-1 RP Alphanumeric LED Displays

PROCESSOR

Upper alphanumeric

LED display (four digits)

Lower alphanumeric

LED display (four digits)

H10780

Each 4-digit display shows part of a 2-line system message. During the RP boot process, the LED displays present a sequence of messages similar to that shown in Table 4-1.

Table 4-1 RP Alphanumeric LED Display Sequence Examples

LED Display1	Meaning	Source
MROM	The MBus microcode begins to execute; nnnn is the microcode	MBus
nnnn	version number. For example, microcode Version 1.17 appears as	controller
	01172.
LMEM	Low memory on the RP is being tested.	RP ROM
TEST		monitor
MEM	The size of main memory on the RP is being discovered.	RP ROM
INIT		monitor
RP	The system is operational and ready to execute basic Cisco IOS	RP ROM
RDY	software commands at the ROM monitor prompt (rommon>).	monitor
RP	A valid Cisco IOS image is running.	RP Cisco IOS
UP		software
	Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01			4-5